obama arrived in nevada for three days of what campaign aids are calling debate camp. he took a break to rally supporters in that critical battleground state. >> i believe in you, and i ask you to keep on believing in me. >> both the president and mitt romney will hunker down over the next few days as they huddle with senior advisors to prepare for wednesday's high stakes showdown in november. aids to both campaigns have been bending over backwards to come compliment their opponent and downplay expectations. kris chris -- chris christie set a high bar for romney. >> this is the first time america can see these guys side by side laying out their visions unfiltered. it will be a powerful moment for mitt romney. >> they are preparing for mitt romney to come armed. >> they have been practicing the zingers for months. i'm sure they will have a bunch of lines. that's not what the american people are looking for. >> matt doud says at this point they are emphasizing style over substance. >> debates that have changed people's minds have been about physical characteristics and m